Classification Of Elements And Periodicity In Properties Question 300

Which of the following dianion is quite common [CPMT 2000]

Options:

A) $ {{S}^{2-}} $

B) $ S{{e}^{2-}} $

C) $ T{{e}^{2-}} $

D) $ {{O}^{2-}} $

Show Answer

Answer:

Correct Answer: D

Solution:

Due to its vacant d-orbital.



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